Home / 1,922.70-2,652.71-1,176.28

Finding the Fourth Proportional to 1,922.70, 2,652.71 and 1,176.28

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Solution

The fourth proportional to 1,922.70, 2,652.71 and 1,176.28 is: 1,622.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.70 : 2,652.71 = 1,176.28 : x
  2. Step 2: Convert to fraction form
    1,922.70/2,652.71 = 1,176.28/x
  3. Step 3: Cross multiply
    1,922.70x = 2,652.71 × 1,176.28
  4. Step 4: Simplify right side
    1,922.70x = 3,120,332.94
  5. Step 5: Solve for x
    x = 3,120,332.94/1,922.70
  6. Step 6: Final answer
    x = 1,622.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.